Initial commit

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-05-31 18:45:31 +08:00
commit e0a986eb30
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+// Copyright 2017 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
+#define CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
+
+#include "cpu_features_cache_info.h"
+#include "cpu_features_macros.h"
+
+CPU_FEATURES_START_CPP_NAMESPACE
+
+typedef struct {
+  int msa : 1;    // MIPS SIMD Architecture
+                  // https://www.mips.com/products/architectures/ase/simd/
+  int eva : 1;    // Enhanced Virtual Addressing
+                  // https://www.mips.com/products/architectures/mips64/
+  int r6 : 1;     // True if is release 6 of the processor.
+  int mips16 : 1; // Compressed instructions
+  int mdmx : 1;   // MIPS Digital Media Extension
+  int mips3d : 1; // 3D graphics acceleration
+                  // MIPS(r) Architecture for Programmers, Volume IV-c
+  int smart : 1;  // Smart-card cryptography
+                  // MIPS(r) Architecture for Programmers, Volume IV-d
+  int dsp : 1;    // Digital Signal Processing
+                  // MIPS(r) Architecture for Programmers, Volume IV-e
+                  // https://www.mips.com/products/architectures/ase/dsp/
+
+  // Make sure to update MipsFeaturesEnum below if you add a field here.
+} MipsFeatures;
+
+typedef struct {
+  MipsFeatures features;
+} MipsInfo;
+
+MipsInfo GetMipsInfo(void);
+
+////////////////////////////////////////////////////////////////////////////////
+// Introspection functions
+
+typedef enum {
+  MIPS_MSA,
+  MIPS_EVA,
+  MIPS_R6,
+  MIPS_MIPS16,
+  MIPS_MDMX,
+  MIPS_MIPS3D,
+  MIPS_SMART,
+  MIPS_DSP,
+  MIPS_LAST_,
+} MipsFeaturesEnum;
+
+int GetMipsFeaturesEnumValue(const MipsFeatures* features,
+                             MipsFeaturesEnum value);
+
+const char* GetMipsFeaturesEnumName(MipsFeaturesEnum);
+
+CPU_FEATURES_END_CPP_NAMESPACE
+
+#if !defined(CPU_FEATURES_ARCH_MIPS)
+#error "Including cpuinfo_mips.h from a non-mips target."
+#endif
+
+#endif  // CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_